AMD Radeon HD 7950 Mac Edition vs ATI Radeon HD 5770

VS

AMD Radeon HD 7950 Mac Edition

ATI Radeon HD 5770

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 1024MB VRAM Radeon HD 5770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 3 years and 5 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 76.80GB/s)

992 additional rendering cores

ATI Radeon HD 5770 's Advantages

Lower TDP (108W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition +110%

2.867 TFLOPS

Radeon HD 5770

1.36 TFLOPS

Radeon HD 7950 Mac Edition

VS

Radeon HD 5770

Graphics Card

Mar 2013

Release Date

Oct 2009

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1200 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

76.80GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

13.60 GPixel/s

89.60 GTexel/s

Texture Rate

34.00 GTexel/s

-

2.867 TFLOPS

FP32 (float)

1360 GFLOPS

716.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

108W

550 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

Juniper

Tahiti PRO (215-0821056)

GPU Variant

Juniper XT (215-0754013)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.04 billion

352 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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